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Lean Six Sigma Principles (Levels of Sigma (One Sigma - DPMO 690.000, Two…
Lean Six Sigma Principles
History
Normal Curve: Carl Friedrich Gauss (19th Century)
Statistical Process Control: Walter Shewart (20th century)
PDCA Cycle - W. Edwards Deming
Plan, Do, Check, Act
JIT, Jodoka, - Eiji Toyoda and Taiichi Ohno
(Toyota Production System)
Lean Sigma Principles
Customer Focused Improvement
Continuous Process Improvement
Variation
Removing Waste
Equipping People
Controlling the Process
Methodologies
DMAIC - Process Improvement
Define, Measure, Analyze, Improve, Control
DMADV - Develop controls for processes
Define, Measure, Analyze, Design, Verify
Quality
Quality is fitness for use
Quality is meeting customer expectations
Quality is exceeding the customer expectations
Quality is superiority to competitors
Products
Maintainability
Reliable
Durability
Serviceability
Ease of Use
Performance
Services
Available
Accuracy
Competence
Security
Safe
Credibility
Toyota system
(Lean Process Management)
(Lean Six SIgma)
Defining customer values.
Identifying the value stream for customer needs and desires
Identifying waste in the process
Creation of a continuous process flow
Continuously working to reduce the number of steps and time it takes to reach customer satisfaction
Levels of Sigma
One Sigma - DPMO 690.000
Two Sigma - DPMO 308.000
Three Sigma - DPMO 66.800
Four Sigma - DPMO 6.200
Five Sigma - DPMO 233
Six Sigma - DPMO 3,4
Sigma Level: (#opps - #defects)/(#opps) *100